.itp-container {
    max-width: 500px;
    margin: 40px auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}
.itp-container h2 {
    margin-bottom: 20px;
}
.itp-container input[type="file"] {
    margin: 10px 0;
}
#convertBtn {
    background-color: #0073aa;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 16px;
    border-radius: 5px;
}
#convertBtn:hover {
    background-color: #005f8d;
}
#statusMsg {
    margin-top: 15px;
    color: green;
}